%0 Journal Article %A Roberta Heale %A Alison Twycross %T What is a case study? %D 2018 %R 10.1136/eb-2017-102845 %J Evidence Based Nursing %P 7-8 %V 21 %N 1 %U https://ebn.bmj.com/content/ebnurs/21/1/7.full.pdf